§1Framework
| Component | Licence | Used for |
|---|---|---|
| Flutter SDK | BSD 3-Clause | The toolkit the app is built with |
| Dart SDK | BSD 3-Clause | The language and runtime |
§2Packages in the app
| Package | Version | Licence | Used for |
|---|---|---|---|
| provider | 6.1.5+1 | MIT | State management built on InheritedWidget |
| sqflite | 2.4.2 | BSD 2-Clause | SQLite storage for your progress, on your phone |
| shared_preferences | 2.5.5 | BSD 3-Clause | Stores simple preferences |
| path | 1.9.1 | BSD 3-Clause | File path handling |
| path_provider | 2.1.5 | BSD 3-Clause | Finds the app’s storage folders |
| google_mobile_ads | 5.3.1 | Apache 2.0 | Google AdMob ads in the free version |
| in_app_purchase | 3.3.0 | BSD 3-Clause | MathWiz Pro through Google Play Billing |
| in_app_purchase_android | 0.5.0 | BSD 3-Clause | Google Play Billing offers, including free-trial lengths |
| in_app_update | 4.2.5 | MIT | Tells you when a new version is on Google Play |
| google_fonts | 6.3.3 | BSD 3-Clause | Loads the Nunito typeface |
| fl_chart | 0.68.0 | MIT | Accuracy and speed charts |
| lottie | 3.3.3 | MIT | Wiz’s loading animation |
| flutter_animate | 4.5.2 | BSD 3-Clause | Interface animations |
| flutter_local_notifications | 17.2.4 | BSD 3-Clause | Local reminders |
| timezone | 0.9.4 | BSD 2-Clause | Schedules reminders in your time zone |
| share_plus | 9.0.0 | BSD 3-Clause | Sharing results and the app |
| url_launcher | 6.3.2 | BSD 3-Clause | Opens links, email and Google Play |
| connectivity_plus | 6.1.5 | BSD 3-Clause | Knows when you are online |
| intl | 0.19.0 | BSD 3-Clause | Dates, numbers and currencies |
| cupertino_icons | 1.0.9 | MIT | Icons |
These are the app’s direct dependencies at version 1.2.0. Each package’s authoritative licence is on its pub.dev page and in its source repository; they bring further packages of their own under similar licences.
§3Typefaces and icons
| Asset | Licence | Where |
|---|---|---|
| Nunito | SIL Open Font License 1.1 | The app and this website |
| Fraunces | SIL Open Font License 1.1 | This website |
| STIX Two Text | SIL Open Font License 1.1 | Formulas on this website |
| Material Symbols | Apache 2.0 | Icons on this website |
§4Licence texts
MIT
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
BSD 3-Clause and 2-Clause
Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: (1) Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. (2) Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. (3) Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT, ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. The BSD 2-Clause licence is the same without condition (3).
Apache 2.0 and SIL Open Font License 1.1
The Apache License 2.0 allows use, reproduction and distribution provided its notices and warranty disclaimer are kept; the full text is at apache.org/licenses/LICENSE-2.0. The SIL Open Font License lets the fonts be used, embedded and redistributed freely, but not sold on their own; the full text is at openfontlicense.org.
§5Licensing questions
For licensing questions or concerns, write to contact@epsilondevelopers.xyz.